Perhaps you should try some spelling variations:
"process control statistical methodology." » "process control statistics methodology.", "process control statistical methods.", "procesos control statistical methodology.", "proceso control statistical methodology.", "procesal control statistical methodology."
"proces contreles semiotics methodology." » "proces contreles statistics methodology.", "proces contreles economics methodology.", "proces contreles service methodology.", "proceso contralos semiotics methodology.", "proces contre semiotics methodology.", "procesos contables semiotics methodology."

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (("process control statistical methodology.") or ("proces contreles semiotics methodology."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("process control statistical methodology.") OR ("proces contreles semiotics methodology.")).
• Removing quotes may allow a broader search: (( process control statistical methodology. ) or ( proces contreles semiotics methodology. )).
• Adding a wildcard symbol may retrieve word variants: (("process control statistical methodology.") or ("proces contreles semiotics methodology."))*.